Believe that it comes from parents who have the knowledge, because people with knowledge and inevitably do better security because of the social and population of happy.
Believes that parents must come from people who are knowledgeable. Because I do not know who is good and well maintained. Because of the good society and the population happy.
Believe that parents must come from a knowledgeable person. Because the knowledge can do good and keep the good. Because of the good society and population of happy.